88 lines
2.4 KiB
Go
88 lines
2.4 KiB
Go
package metadata // import "github.com/docker/docker/distribution/metadata"
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import (
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"io/ioutil"
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"os"
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"testing"
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"github.com/docker/docker/layer"
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"gotest.tools/assert"
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)
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func TestV1IDService(t *testing.T) {
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tmpDir, err := ioutil.TempDir("", "v1-id-service-test")
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if err != nil {
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t.Fatalf("could not create temp dir: %v", err)
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}
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defer os.RemoveAll(tmpDir)
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metadataStore, err := NewFSMetadataStore(tmpDir)
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if err != nil {
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t.Fatalf("could not create metadata store: %v", err)
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}
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v1IDService := NewV1IDService(metadataStore)
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ns := v1IDService.namespace()
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assert.Equal(t, "v1id", ns)
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testVectors := []struct {
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registry string
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v1ID string
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layerID layer.DiffID
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}{
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{
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registry: "registry1",
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v1ID: "f0cd5ca10b07f35512fc2f1cbf9a6cefbdb5cba70ac6b0c9e5988f4497f71937",
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layerID: layer.DiffID("sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4"),
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},
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{
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registry: "registry2",
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v1ID: "9e3447ca24cb96d86ebd5960cb34d1299b07e0a0e03801d90b9969a2c187dd6e",
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layerID: layer.DiffID("sha256:86e0e091d0da6bde2456dbb48306f3956bbeb2eae1b5b9a43045843f69fe4aaa"),
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},
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{
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registry: "registry1",
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v1ID: "9e3447ca24cb96d86ebd5960cb34d1299b07e0a0e03801d90b9969a2c187dd6e",
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layerID: layer.DiffID("sha256:03f4658f8b782e12230c1783426bd3bacce651ce582a4ffb6fbbfa2079428ecb"),
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},
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}
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// Set some associations
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for _, vec := range testVectors {
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err := v1IDService.Set(vec.v1ID, vec.registry, vec.layerID)
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if err != nil {
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t.Fatalf("error calling Set: %v", err)
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}
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}
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// Check the correct values are read back
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for _, vec := range testVectors {
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layerID, err := v1IDService.Get(vec.v1ID, vec.registry)
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if err != nil {
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t.Fatalf("error calling Get: %v", err)
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}
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if layerID != vec.layerID {
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t.Fatal("Get returned incorrect layer ID")
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}
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}
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// Test Get on a nonexistent entry
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_, err = v1IDService.Get("82379823067823853223359023576437723560923756b03560378f4497753917", "registry1")
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if err == nil {
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t.Fatal("expected error looking up nonexistent entry")
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}
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// Overwrite one of the entries and read it back
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err = v1IDService.Set(testVectors[0].v1ID, testVectors[0].registry, testVectors[1].layerID)
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if err != nil {
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t.Fatalf("error calling Set: %v", err)
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}
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layerID, err := v1IDService.Get(testVectors[0].v1ID, testVectors[0].registry)
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if err != nil {
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t.Fatalf("error calling Get: %v", err)
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}
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if layerID != testVectors[1].layerID {
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t.Fatal("Get returned incorrect layer ID")
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}
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}
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